3Death Valley, California, USA

Death Valley, located in California’s Mojave Desert, is one of the hottest places on Earth, with summer temperatures regularly exceeding 120°F (49°C). The extreme heat, combined with the arid desert landscape, makes this one of the most dangerous places to visit. Dehydration and heatstroke are real threats, and travelers need to be well-prepared with water, food, and supplies. Despite its harshness, Death Valley is a popular destination for adventure seekers who are drawn to its otherworldly landscapes, including sand dunes, salt flats, and rugged mountains. But the desert’s beauty can quickly turn deadly for those who are unprepared.